Structural Chemistry and Magnetic Properties of Incommensurate Sr1+x(CoxMn1-x)O3
Source abstract
Abstract
The incommensurate, modulated crystal structures of Sr 1+ x (Co x Mn 1 - x )O 3 ( x ≈ 0.266 and 0.280) have been refined by a (3+1)D superspace profile analysis of neutron powder diffraction data. The structures are related to the 2H perovskite structure and consist of two subsystems, [Co x Mn 1 - x O 3 ] ∞ chains containing face-sharing MnO 6 octahedra and CoO 6 trigonal prisms (albeit with some cation site inversion), separated from each other by [Sr] ∞ chains. The observed structures are closely related to those expected for the idealized compositions Sr 14 Co 3 Mn 8 O 33 and Sr 9 Co 2 Mn 5 O 21 . Both of the compositions investigated show hysteresis in their magnetic behavior below 13 K.
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Research context
OpenAlex topics: Magnetic and transport properties of perovskites and related materials · Advanced Condensed Matter Physics · Multiferroics and related materials
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Inorganic Chemistry Laboratory, Oxford University, South Parks Road, Oxford, OX1 3QR, U.K., and Laboratory of Crystallography, University of Bayreuth, 95440 Bayreuth, Germany
References (32)
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